Journal
AMBIO
Volume 50, Issue 3, Pages 539-543Publisher
SPRINGER
DOI: 10.1007/s13280-020-01416-7
Keywords
Biogeochemistry; Organochlorines; PCBs; Plastics; Methylmercury
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Reflections are presented on three influential environmental contaminants papers, focusing on the importance of PCBs, the physical chemistry of pollutant transport, and human impacts of methyl mercury exposure. These studies demonstrate the crucial role of environmental chemistry in understanding the biogeochemical cycles of pollutants and human health concerns.
Reflections about three influential environmental contaminants papers published in Ambio are presented. The PCB Story by Jensen in (1972) had a very important influence on environmental chemistry. This is captured by way of comments and personal anecdotes. Wania's and MacKay's (1993) paper highlights the physical chemistry underlying transport of PCBs and organochlorine pesticides from temperate zone ecosystems to Polar Regions. Their paper exemplifies how principles of chemistry and environmental processes informed understanding the biogeochemical cycles of chemicals of environmental concern (CEC). Mergler et al.'s (2007) paper reviews knowledge of methyl mercury exposure and impacts in humans and served as an example of how to approach exposure and human health concerns for all CECs. All great progress. Then, the question: How we missed for two decades the importance of plastics in the environment identified in a paper published the same year as The PCB Story? Are we missing yet another important environmental contaminant now?
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